| Term | Definition |
| plane | a ... plane mirror is your typical bathroom mirror |
| virtual | a ... image is one that forms behind the mirror |
| critical | ... angle is the angle at which the refracted ray is along the boundary between the two substances |
| reverberations | when the walls of a room auditorium or concert hall are to reflective it produces ... |
| reflection | in ... a wave reaches the boundary between two media and bounces back the first medium |
| incidence | according to the law of reflection the angle of ... is equal to the angle of reflection |
| convex | a .. mirror is a mirror curved outward |
| fun house | a combination of convex and concave mirrors is what creates mirrors that are in a ... |
| refraction | in ... a wave reaches the boundary between two media and changes direction as it passes into the medium |
| cool | sound will refract towards ... air because of its speed |
| mirage | a ... is caused by atmospheric refraction |
| internal | total .. reflection is what makes a diamond sparkle so much |
| ambulance | the reason why ... is written backwards is because mirrors produce a left to right relationship |
| diffusely | light that falls on a rough surface is reflected ... |
| dispersion | .. is the breaking up of white light into the spectrum |
| rainbow | ... are the result of dispersion caused by water droplets in the air |
| less | if the first medium is ... than the second one then the wave is completely reflected |
| more | if the first medium is ... dense than the second one then the wave is only partially reflected |
| regular | ... reflection is the reflection off a plane mirror because it is a smooth surface |
| speed | refraction is caused by a difference in the ... of the wave in the two media |
| concave | ... mirror is the mirror that is curved inward |